Tanpa dihitung satu satu
More Questions From This User See All
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a=-100
Un = a+(n-1)b
99=-100+(n-1)1
99=-100+n-1
99=-101+n
n=101+99
n=200
Sn=n/2(2a+(n-1)b)
=200/2(2(-100)+(200-1)1)m
=100(-200+199)
=100(-1)
=-100
Jadi jumlah dari -100-99-98...+0+1+2...+99 adalah -100